Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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F. Monte Evens — 4 Patents

COConoco: 4 patents #81 of 638Top 15%
Ponca City, OK: #111 of 444 inventorsTop 25%
Oklahoma: #2,661 of 12,736 inventorsTop 25%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
F. Monte Evens has been granted 4 US patents while listed as an inventor at Conoco. The first was granted in 1991 and the most recent in August 1992. F. Monte Evens ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list F. Monte Evens in Ponca City, OK, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5140169 Long path flow cell resistant to corrosive environments for fiber optic spectroscopy Craig T. Barker, Charles R. Ray 1992-08-18
5138153 Distributed fiber-optic sensor with substance selective permeable coating John S. Gergely 1992-08-11
5078493 Flow cell resistant to corrosive environments for fiber optic spectroscopy Craig T. Barker, Charles R. Ray 1992-01-07
5013120 Monochromator to fiber-cable coupling system John S. Gergely 1991-05-07